Subtract 70/30 from 7/14, Solve 7/14

Subtract 70/30 from 7/14

1^st number: 7/14, 2^nd number: 2 10/30

7/14 - 70/30 is -11/6.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 14 × 15 = 210,
7/14 = 7 × 15/14 × 15 = 105/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
70/30 = 70 × 7/30 × 7 = 490/210
Subtract the two like fractions:
105/210 - 490/210 = 105 - 490/210 = -385/210
After reducing the fraction, the answer is -11/6

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